zhangzhen0104的专栏

1.导包(这里省略) 2.环境搭建 方法一：数据源配置在persistence.xml中     persistence.xml(位于META-INF下) <?xml version="1.0" encoding="UTF-8"?> <persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns...

1.创建工程之后，倒入基本jar包和log4j.properties (因网站对附件大小的限制，现将所需jar包分两部分上传。位置分别为http://zhizizhishou0104.iteye.com/blog/1993956 和http://zhizizhishou0104.iteye.com/blog/1993988 ) 2.配置struts struts.xml <?xm...

1.倒入所需jar包 (因网站对附件大小的限制，现将所需jar包分两部分上传。位置分别为http://zhizizhishou0104.iteye.com/blog/1993956 和http://zhizizhishou0104.iteye.com/blog/1993988 ) 2.编写entity，这里以一对多关系为例 ClassRoom.java(one端) import jav...

ns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" ver

6 和http://zhizizhishou0104.iteye.com/blog/1993988 ) 2.配置struts struts.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//E

log/1993988 ) 2.编写entity，这里以一对多关系为例 ClassRoom.java(one端) import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.OneToMany; import javax.persistence.Table